Ответы
1. My uncle said he had just come back from the Caucasus.
2. He said his wife and he had spent most of their time on the beach.
3. They said they would write me a letter when they returned home.
4. Mike said that he had spoken to Mr. Brown that morning.
5. He said that he had not seen his cousin that day.
6. Tom said that he had already had breakfast and so he was not hungry.
7. The boy told his mother that he had no time for dinner that day.
8. The woman told me that I spoke English very well.
9. My sister told me that I looked very well, much better than I had looked the day before.
10. Nelly said that she had read that book the year before.
11. Alec said that he lived in Moscow.
12. She said that she was busy that day and that she would be busier the next day.